table.tablesorter .header {
    cursor: pointer;
}
table.tablesorter .header:after {
    content: "";
    float: right;
    margin-top: 7px;
    border-width: 0 4px 4px;
    border-style: solid;
    border-color: #000000 transparent;
    visibility: hidden;
}
table.tablesorter .headerSortUp, table .headerSortDown {
    #gradient > .vertical(white, #F3F3F3);
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75);
}
table.tablesorter .header:hover:after {
    visibility: visible;
}
table.tablesorter .headerSortDown:after, table .headerSortDown:hover:after {
    visibility: visible;
    filter: alpha(opacity=60);
    -moz-opacity: 0.6;
    opacity: 0.6;
}
table.tablesorter .headerSortUp:after {
    border-bottom: none;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #000000;
    visibility: visible;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
    filter: alpha(opacity=60);
    -moz-opacity: 0.6;
    opacity: 0.6;
}